... sensitive to breathe l Designed for 24/7 use Kingon P2 , a high quality portable oxygenconcentrator. 1. P2 is the lightest and smallest 1 L-oxygenconcentrator in the world . 2. High quality. With the best material of micro pump......

wth battery mini portable oxygenconcentrator

...Brief Introduction of mini portable oxygenconcentrator: OLV-B1 battery portable oxygenconcentrator is the most lighest, smallest and quietest oxygenconcentrator for travel and ambulatory oxygen needs. It has three power suppliers: 1.it is can be used......